Lipid advanced nutrition final

What is a triacylglycerol? a triglyceride a phospholipid a partially hydrolyzed lipid A lipid found only in cold-water fish

a triglyceride

Which of the following is NOT a destination of cholesterol? synthesized into bile excreted in the feces accumulates on the walls of veins accumulates on walls of arteries

accumulates on walls of veins

About how much cholesterol is synthesized by the liver every day? None A few mg Less than 300 mg At least 800 mg

at least 800mg

If a food label says that a food contains 0 trans fatty acid, that means there is truly 0 trans fatty acids in that food. true false

false

bile is known to assist in the absorption of.. fat only all nutrients carbs and fat only carbs, fat and protein only

fat only

Lipids that are solid at room temperature are known as oils fats omegas glycerols

fats

What is the immediate precursor for the eicosanoids? glucose hormones fatty acids cholesterol

fatty acids

What is the chemical composition of fats? Hexose polymers Glycogen granules Fatty acids and glycerol Combinations of long-chain fatty acids

fatty acids and a glycerol

Which of the following provides abundant amounts of omega-3 fatty acids? Palm oil Walnut oil Soybean oil Flaxseed oil

flaxseed oil

All of the following compounds may be synthesized from cholesterol EXCEPT bile glucose vitamin D sex hormones

glucose

The optimal omega-6 : omega-3 fat ratio has not been established by research. falls within the range of 60:1. has been proven to improve heart health. has not been studied in humans.

has not been established by research

The results of blood tests that reveal a person's total cholesterol and triglycerides are called a lipid profile. circulating fat count. personal lipids count. degenerative disease assessment.

lipid profile

What tissue contains special receptors for removing low-density lipoproteins from the circulation? liver adipose arterial wall skeletal muscle

liver

Which of the following is a feature of polyunsaturated fats? low melting point high melting point solid at room temp solid at refridgerator temp

low melting point

Which of the following is NOT a feature of the bile acids? Stored in the gallbladder Synthesized from cholesterol Manufactured by the gallbladder Released into the small intestine whenever fat is present

manufactured by the gallbladder

A person who regularly consumes fish such as shark, king mackerel, and swordfish is at risk for ingesting potentially toxic amounts of EPA DHA mercury cadmium

mercury

What type of fatty acid is found in high amounts in olive oil? Saturated Monounsaturated Polyunsaturated Partially hydrogenated

monounsaturated

An important function of fat in the body is to build muscle tissue. regulate blood glucose levels. protect vital organs against shock. provide precursors for glucose synthesis.

protect vital organs against shock

What compound is composed of 3 fatty acids and glycerol? steroid lecithin triglyceride monoglyceride

triglyceride

In which form are most dietary lipids found? sterols glycerols tryglycerides monoglycerides

triglycerides

All of the short chained fatty acids are saturated. true false

true

An n-3 fatty acid has it's first double bond between the 3rd and 4th carbon from the methyl end of the molecule true false

true

Our body can make most fatty acids (except for 2) because we can insert a double bond in the n-9 position or higher. true false

true

A person wishing to increase consumption of polyunsaturated fats should choose coconut oil. beef products. vegetable oils. dairy products.

vegetable oils

After a fat-containing meal is absorbed, about how many hours does it take the body to remove the chylomicrons from the blood? 2 5 10 14

14

What is the approximate kcal content of one pound of body fat? 1800 2500 3500 4100

3500

Approximately what percentage of the body's energy needs at rest is supplied by fat? 5 25 26 60

60

Which of the following is a feature of fat intake and health? Intake of saturated fat raises blood cholesterol more than intake of cholesterol High intakes of fish oil lower bleeding time and improve diabetes and wound healing High intakes of short- and medium-chain fatty acids raise high-density lipoprotein levels Trans-fatty acids contained in polyunsaturated fats but not in monounsaturated fats alter blood cholesterol levels

Intake of saturated fat raises blood cholesterol more than intake of cholesterol

which of the following is a feature of essential fatty acid deficiency? it is very rare it is seen chiefly in Native Americans The most common symptoms include insulin resistance and pancreatitis Most diets in the US and Canada are deficient in both or one essential fatty acids

It is very rare

Your roommate Bob has just come back from the doctor, where he was subjected to a blood lipid profile analysis. The doctor recommended he make dietary changes because the cholesterol results put him at increased risk for cardiovascular disease. Which of the following results is consistent with the diagnosis? Low LDL and high HDL Low HDL and high LDL Low DLD and high DHD Low LDH and low HDL

Low HDL and high LDL

Which of the following lipoproteins contains the highest percentage of cholesterol? Chylomicron Low-density lipoprotein High-density lipoprotein Very-low-density lipoprotein

Low-density lipoprotein

Which of the following is a feature of phospholipids? Resistant to digestion Soluble in both water and fat Highly susceptible to oxidation Found naturally only in animal foods

Soluble in both water and fat

Like __, lipids are made of ___ atoms vitamins; C, N, and O carbohydrates; C, H, and O protein; C, H, O, and N water; C, H, and O

carbohydrates; C, H, and O

Aspirin works to reduce the symptoms of infection or pain by retarding the synthesis of arachidonic acid. certain eicosanoids. certain saturated fatty acids. certain unsaturated fatty acids

certain eicosanoids

Which of the following CANNOT be found in plants? cholesterol triglycerides essential fatty acids nonessential fatty acids

cholesterol

What lipoprotein is largest in size? Chylomicron High-density lipoprotein Low-density lipoprotein Very-low-density lipoprotein

chylomicron

Which of the following is a factor that determines the hardness of a fat at a given temperature? origin of the fat degree of saturation number of acidic groups number of oxygen atoms

degree of saturation

Lipids differ in their degree of saturation or unsaturation due to their number of amino acids double bonds saccharide units peptide linkages

double bonds

Which of the following is a likely explanation for the imbalance between omega-6 and omega-3 lipids in the U.S. diet? high intakes of meat and low intakes of fish Low intakes of vegetable oils and high intakes of fish High intakes of beef fat and low intakes of vegetable oils Low intakes of beef fat and high intakes of vegetable oils

high intakes of meat and low intakes of fish

A common feature of the plant sterols is they raise LDL and lower HDL inhibit absorption of dietary cholesterol inhibit absorption of bad cholesterol enhance absorption of omega-3 fatty acids

inhibit absorption of dietary cholesterol

chylomicrons are synthesized within the... liver intestinal cells lymphatic system storage compartment of plants

intestinal cells

Although eating fish supports heart health and fish provides many vitamins and minerals, it is notably poor in iron protein unsaturated fats omega-3 fatty acids

iron

Linolenic fatty acid: is a precursor to phosphatidyl choline is a precursor to linoleic acid a deficiency of this acid causes skin lesions is an n-3 type of fatty acid

is an n-3 type of fatty acid

Linoleic fatty acid is an n-6 type of fatty acid is a precursor to phosphatidyl choline is a precursor to linolenic acid a toxicity causes male and female infertility

is an n-6 type of fatty acid

Each of the following is known to be linked to excessive intake of fats EXCEPT cancer obesity heart disease lactose intolerance

lactose intolerance

Which factor would LEAST likely be a cause for steatorrhea? gallstones chronic pancreatitis acute pancreatitis none of the above (they all can cause steatorrhea)

none of the above (they all can cause steatorrhea)

Lipids that are liquid at room temperature are known as oils fats omegas glycerols

oils

What is the most abundant monounsaturated fatty acid in our diet? Palmitoleic Butyric Oleic Linoleic

oleic